CN106611896A - Antenna device - Google Patents

Antenna device Download PDF

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Publication number
CN106611896A
CN106611896A CN201510736522.2A CN201510736522A CN106611896A CN 106611896 A CN106611896 A CN 106611896A CN 201510736522 A CN201510736522 A CN 201510736522A CN 106611896 A CN106611896 A CN 106611896A
Authority
CN
China
Prior art keywords
section
antenna
circuit board
radiation
rigid circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201510736522.2A
Other languages
Chinese (zh)
Inventor
张国威
许文彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUGANG ELECTRONIC (KUNSHAN) CO LTD
Cheng Uei Precision Industry Co Ltd
Original Assignee
FUGANG ELECTRONIC (KUNSHAN) CO LTD
Cheng Uei Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FUGANG ELECTRONIC (KUNSHAN) CO LTD, Cheng Uei Precision Industry Co Ltd filed Critical FUGANG ELECTRONIC (KUNSHAN) CO LTD
Priority to CN201510736522.2A priority Critical patent/CN106611896A/en
Publication of CN106611896A publication Critical patent/CN106611896A/en
Withdrawn legal-status Critical Current

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Abstract

The invention discloses an antenna device, which comprises a circuit board, an antenna body and a resonance piece metal shell, and is characterized in that the circuit board is provided with an antenna circuit; the antenna body is connected to the circuit board and is electrically connected with the antenna circuit; the resonance piece metal shell coats and is adjacent to the antenna body and the circuit board; and the antenna body and the resonance piece metal shell are mutually excited by using a coupling mode so as to enable the antenna body to turn into a first radiation part, the resonance piece metal shell turns into a second radiation part, and thus a purpose of radiation is achieved. According to the antenna device, the antenna body and the resonance piece metal shell are mutually excited by using the coupling mode so as to achieve the purpose of radiation, and thus cutting is not required to be performed on the metal shell.

Description

Antenna assembly
Technical field
The present invention relates to a kind of antenna, more particularly, to a kind of antenna assembly.
Background technology
Press, consumer does not only want to product for electronic product is using upper more and more fastidious Functional promotion, it is also desirable to which texture is also and then lifted, and is often reached gently using metal shell structure Thin and appearance looks elegant purpose.In the case where the communication product of metal shell is more and more, For Antenna Design challenges increasing, Antenna Design runs into metallic region, and electromagnetic wave can be anti- It is emitted back towards coming, so as to affect signal transmission, accordingly, it would be desirable to the metal shell of communication product is done Cutting can just reach fabulous radiation effect.In addition, generally requiring cutting metal appearance Product, needs to use in-mould injection molding, and cost of manufacture is very high.
In view of problem above, is necessary to provide a kind of improved antenna structure in fact, with solution State problem.
The content of the invention
Present invention aims to exist not enough of above-mentioned prior art and provide a kind of Antenna assembly, the antenna assembly need not cut to metal shell, can reach well Radiation effect.
For achieving the above object, the present invention provides a kind of antenna assembly, it include a circuit board, One antenna body and a resonance plate metal shell, circuit board has antenna circuit;Antenna body It is connected on circuit board, is electrically connected with antenna circuit;Resonance plate metal shell is coated and adjacent It is bordering on antenna body and circuit board;Wherein, antenna body utilizes coupling with resonance plate metal shell Conjunction mode is mutually excited makes antenna body become one first Department of Radiation, resonance plate metal shell into For one second Department of Radiation.
As further improvement, first Department of Radiation and the second Department of Radiation distance between the two It is less than or equal to 4mm.
Used as further improvement, the circuit board includes a rigid circuit board and one and rigid electric The flexible PCB that road plate is electrically connected with, antenna body is installed on flexible PCB, antenna The antenna pattern of body, can be monopole patterns antenna or PIFA patterns antenna or Any antenna pattern such as Loop pattern antennas.
Used as further improvement, the material of the flexible PCB any can be turned on Metal material.
Used as further improvement, the antenna pattern of the antenna body is monopole patterns During antenna, antenna body is that the first Department of Radiation has a close rigidity on flexible PCB Extend forward at the side of circuit board and to form the first section in bar tabular, one from the first section End to the right vertically bending extend formed in bar tabular the second section and from the secondth area Backward vertically bending extends threeth section of the formation in article tabular for the end of section, the 3rd section The length of the first section is shorter in length than, the first section is near rigid circuit board one end to rigid electric Road plate direction extends to form a feeding portion.
As further improvement, there are a grounding parts, when antenna sheet on the rigid circuit board When the antenna pattern of body is PIFA pattern antennas, antenna body is that the first Department of Radiation has one Extend to be formed in batten forward at the side of the close rigid circuit board on flexible PCB First section of shape, one vertically bend to extend and are formed in batten to the right from the end of the first section Second section of shape and one from the end of the second section backward vertically bending extend formed be in bar 3rd section of tabular, the length for being shorter in length than the first section of the 3rd section, the first section Extend to form a feeding portion to rigid circuit board direction near rigid circuit board one end, the firstth area Again backward vertical bending is extended to and feedback after to the right vertically bending extends at the close feeding portion of section Enter portion end and concordantly form one the 4th section, the 4th section is electric with the grounding parts of rigid circuit board Property connection.
Used as further improvement, described the is Loop patterns when the antenna pattern of antenna body During antenna, antenna body is that the first Department of Radiation has a close rigidity on flexible PCB Extend forward at the side of circuit board and to form the first section in bar tabular, one from the first section End to the right vertically bending extend form the second section in bar tabular, one from the second section End backward vertically bending extend formed in article tabular the 3rd section and from the 3rd area Continue to extand rearward to the 5th section at rigid circuit board, the 5th section and rigidity in section end The grounding parts of circuit board are electrically connected with.First section is near rigid circuit board one end to rigid electric Road plate direction extends to form a feeding portion.
It is as the radiation frequency of further improvement, first Department of Radiation and the second Department of Radiation 2400MHz~2500MHz, it can be with the electromagnetism that frequency is 2400MHz~2500MHz Ripple signal resonance and receive and dispatch the electromagnetic wave signal of 2400MHz~2500MHz frequency bands.
As described above, inventive antenna device is coated and is adjacent to by resonance plate metal shell Antenna body and circuit board, antenna body is mutual using coupled modes with resonance plate metal shell Exciting makes antenna body become one first Department of Radiation, and resonance plate metal shell becomes one second spoke Portion is penetrated so as to reach the purpose of radiation.Without doing any cutting to metal shell, and Reach good radiation effect.
Description of the drawings
Fig. 1 is a kind of solid of embodiment that inventive antenna device is applied to a Headphone device Figure.
Fig. 2 is the solid of the antenna body of inventive antenna device and circuit board shown in Fig. 1 Figure.
Fig. 3 is another solid that inventive antenna device shown in Fig. 1 is applied to a Headphone device Figure.
Each description of reference numerals is as follows in figure.
Its Line Installed puts 100
The Gang Electricity roads plate 11 of Electricity roads plate 10
The flexibility of grounding parts 111 Electricity roads plate 12
The mono- District sections 21 of its Line this Body 20
The tri- District sections 23 of bis- District sections 22
Feed enters the tetra- District sections 25 of portion 24
The outer Shell 30 of the resonance plate gold Genus of Wu District sections 26
Er Machine Installed put 200.
Specific embodiment
To describe technology contents of the invention, structural features in detail, being realized purpose and effect, Below in conjunction with embodiment and accompanying drawing is coordinated to be explained in detail.
Fig. 1, Fig. 2 and Fig. 3 are referred to, inventive antenna device 100 is applied to an earphone On device 200, it includes a circuit board 10, an antenna body 20 and a resonance plate metal Shell 30.
The circuit board 10 has antenna circuit and grounded circuit.Specifically, circuit board 10 Including a rigid circuit board 11 and a flexible PCB being electrically connected with rigid circuit board 11 12.Rigid circuit board 11 is provided with grounded circuit, and flexible PCB 12 is provided with antenna electric Road.
The antenna body 20 is connected on circuit board 10, is electrically connected with antenna circuit. Specifically, there are a grounding parts 111, antenna body 20 is installed on rigid circuit board 11 On flexible PCB 12.The antenna pattern of antenna body can be monopole patterns day Line or any antenna pattern such as PIFA patterns antenna or loop pattern antennas.Flexible PCB 12 material can for copper, ferrum gold, silver, rustless steel, raise copper-nickel alloy, nickel, piano wire, aluminum etc. Any metal material that can be turned on.
The resonance plate metal shell 30 coats and is adjacent to antenna body 20 and circuit board 10。
Wherein, antenna body 20 is mutually swashed with resonance plate metal shell 30 using coupled modes Sending out makes antenna body 20 become one first Department of Radiation, and resonance plate metal shell 30 becomes one the Two Departments of Radiation are so as to reaching the purpose of radiation.First Department of Radiation and the second Department of Radiation are between the two Distance is just to reach fine radiation effect less than or equal to 4mm.
More preferably, when the antenna pattern of antenna body 20 is monopole pattern antennas, Antenna body 20 is that the first Department of Radiation has a close rigid electric on flexible PCB 12 Extend forward to form the first section 21, from first in bar tabular at the side of road plate 11 To the right vertically bending extends second section 22 and of the formation in bar tabular for the end of section 21 From the end of the second section 22, backward vertically bending extends threeth section of the formation in article tabular 23, the length for being shorter in length than the first section 21 of the 3rd section 23.First section 21 is leaned on Nearly one end of rigid circuit board 11 extends to form a feeding portion 24 to the direction of rigid circuit board 11.
More preferably, when the antenna pattern of antenna body 20 is PIFA pattern antennas, antenna Body 20 is that the first Department of Radiation has a close rigid circuit board on flexible PCB 12 Extend forward to form the first section 21, in bar tabular from the first section at 11 side To the right vertically bending extends and forms the second section 22 in article tabular and one from for 21 end Backward vertically bending extends threeth section 23 of the formation in article tabular for the end of two sections 22, The length for being shorter in length than the first section 21 of the 3rd section 23.First section 21 is near just Property one end of circuit board 11 extends to form a feeding portion 24 to the direction of rigid circuit board 11, and One section 21 vertically bends to the right vertically to be bent backward again after extending at feeding portion 24 and prolongs Extend one the 4th section 25 of formation concordant with the end of feeding portion 24, the 4th section 25 and rigidity The grounding parts 111 of circuit board 11 are electrically connected with.
More preferably, when the antenna pattern of antenna body 20 is Loop pattern antennas, antenna Body 20 is that the first Department of Radiation has a close rigid circuit board on flexible PCB 12 Extend forward to form the first section 21, in bar tabular from the first section at 11 side To the right vertically bending extends and forms the second section 22, in article tabular from for 21 end The end of two sections 22 backward vertically bending extend formed in article tabular the 3rd section 23 and One continues to extand rearward to the 5th section at rigid circuit board 11 from the end of the 3rd section 23 26, the 5th section 26 is electrically connected with the grounding parts 111 of rigid circuit board 11.Firstth area Section 21 extends to form a feedback near the one end of rigid circuit board 11 to the direction of rigid circuit board 11 Enter portion 24.
The radiation frequency of the first Department of Radiation and the second Department of Radiation is 2400MHz~2500MHz, It can be received and dispatched with frequency for the electromagnetic wave signal resonance of 2400MHz~2500MHz The electromagnetic wave signal of 2400MHz~2500MHz frequency bands.
Fig. 1 to Fig. 3 is referred to, inventive antenna device 100 is assembled in electronic product earphone When on device 200, antenna body 20 is placed on flexible PCB 12, wherein, feeding portion 24 end is electrically connected with the antenna circuit (not shown) of flexible PCB 12, ground connection Portion 111 is used to be electrically connected with the grounded circuit positioned at the upper surface periphery of rigid circuit board 11. Resonance plate metal shell 30 is located at antenna body 20 and is nearby integrally formed and is coated on antenna sheet Outside body 20 and circuit board 10, antenna body 20 is utilized with resonance plate metal shell 30 and coupled Mode is mutually excited makes antenna body 20 become one first Department of Radiation, resonance plate metal shell 30 become one second Department of Radiation so as to reach the purpose of radiation.
Inventive antenna device 100 is traditional thread binding with the day for being not provided with resonance plate metal shell 30 Putting (such as antenna assembly with cabinet) carries out contrast test, test result indicate that tool There is the antenna assembly 100 of resonance plate metal shell 30 reachable with the antenna with cabinet To equal radiation effect.Table 1 be inventive antenna device be not provided with resonance plate metal shell The Effect value of 30 antenna assembly:
The inventive antenna device of table 1 and the antenna assembly test result with cabinet
As described above, inventive antenna device 100 is coated by resonance plate metal shell 30 And it is adjacent to antenna body 20 and circuit board 10, antenna body 20 and resonance plate metal shell 30 are mutually excited using coupled modes and make antenna body 20 become one first Department of Radiation, are resonated Piece metal shell 30 becomes one second Department of Radiation so as to reach the purpose of radiation.From without Metal shell is cut, and reach good radiation effect.

Claims (8)

1. a kind of antenna assembly, it is characterised in that:Including a circuit board, an antenna body and One resonance plate metal shell, circuit board has antenna circuit, and antenna body is connected to circuit board On, it is electrically connected with antenna circuit, resonance plate metal shell coats and is adjacent to antenna body And circuit board, wherein, antenna body is mutually swashed with resonance plate metal shell using coupled modes Sending out makes antenna body become one first Department of Radiation, and resonance plate metal shell becomes one second radiation Portion.
2. antenna assembly as claimed in claim 1, it is characterised in that:First radiation Portion and the second Department of Radiation distance between the two are less than or equal to 4mm.
3. antenna assembly as claimed in claim 1, it is characterised in that:The circuit board bag Include a rigid circuit board and a flexible PCB being electrically connected with rigid circuit board, antenna sheet Body is installed on flexible PCB, the antenna pattern of antenna body, can be monopole Pattern antenna or any antenna pattern such as PIFA patterns antenna or Loop pattern antennas.
4. antenna assembly as claimed in claim 3, it is characterised in that:The flexible circuit The material of plate can be any metal material that can be turned on.
5. antenna assembly as claimed in claim 4, it is characterised in that:The antenna body Antenna pattern be monopole pattern antennas when, antenna body is that the first Department of Radiation has Extend to be formed in bar forward at the side of the one close rigid circuit board on flexible PCB First section of tabular, one vertically bend to extend and are formed in bar to the right from the end of the first section Second section of tabular and one from the end of the second section backward vertically bending extend formation be in 3rd section of article tabular, the length for being shorter in length than the first section of the 3rd section, the firstth area Section extends to form a feeding portion near rigid circuit board one end to rigid circuit board direction.
6. antenna assembly as claimed in claim 4, it is characterised in that:The rigid circuit There are a grounding parts on plate, when the antenna pattern of antenna body is PIFA pattern antennas, Antenna body is that the first Department of Radiation has a close rigid circuit board on flexible PCB Side at extend forward to form the first section in bar tabular, one from the end of the first section Vertical bending to the right extends and forms the second section and in bar tabular from the end of the second section Backward vertical bending extends threeth section of the formation in article tabular at end, and the length of the 3rd section is short In the length of the first section, the first section is near rigid circuit board one end to rigid circuit board side A feeding portion is formed to extending, the first section vertically bends to the right after extending at feeding portion Again backward vertical bending extends to one the 4th section of formation concordant with feeding portion end, the 4th area Section is electrically connected with the grounding parts of rigid circuit board.
7. antenna assembly as claimed in claim 4, it is characterised in that:It is described when antenna sheet When the antenna pattern of body is Loop pattern antennas, antenna body is that the first Department of Radiation has one Extend to be formed in batten forward at the side of the close rigid circuit board on flexible PCB First section of shape, one vertically bend to extend and are formed in batten to the right from the end of the first section Second section of shape, one vertically bend to extend and are formed in batten backward from the end of the second section 3rd section of shape and one continue to extand rearward at rigid circuit board from the 3rd segment ends The 5th section, the grounding parts of the 5th section and rigid circuit board are electrically connected with.First section Extend to form a feeding portion to rigid circuit board direction near rigid circuit board one end.
8. antenna assembly as claimed in claim 1, it is characterised in that:First radiation The radiation frequency of portion and the second Department of Radiation is 2400MHz~2500MHz, and it can be with frequency The electromagnetic wave signal resonance of 2400MHz~2500MHz and receive and dispatch 2400MHz~2500 The electromagnetic wave signal of MHz frequency band.
CN201510736522.2A 2015-10-23 2015-10-23 Antenna device Withdrawn CN106611896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510736522.2A CN106611896A (en) 2015-10-23 2015-10-23 Antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510736522.2A CN106611896A (en) 2015-10-23 2015-10-23 Antenna device

Publications (1)

Publication Number Publication Date
CN106611896A true CN106611896A (en) 2017-05-03

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ID=58614620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510736522.2A Withdrawn CN106611896A (en) 2015-10-23 2015-10-23 Antenna device

Country Status (1)

Country Link
CN (1) CN106611896A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110034389A (en) * 2019-04-19 2019-07-19 歌尔科技有限公司 A kind of electronic equipment and its antenna

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060001575A1 (en) * 2004-06-30 2006-01-05 Young-Min Jo Low profile compact multi-band meanderline loaded antenna
US20090174611A1 (en) * 2008-01-04 2009-07-09 Schlub Robert W Antenna isolation for portable electronic devices
CN103545611A (en) * 2012-07-12 2014-01-29 深圳富泰宏精密工业有限公司 Wireless communication device
US20140327584A1 (en) * 2013-05-03 2014-11-06 Acer Incorporated Mobile device with coupled-fed antenna structure
CN205319317U (en) * 2015-10-23 2016-06-15 富港电子(昆山)有限公司 Antenna device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060001575A1 (en) * 2004-06-30 2006-01-05 Young-Min Jo Low profile compact multi-band meanderline loaded antenna
US20090174611A1 (en) * 2008-01-04 2009-07-09 Schlub Robert W Antenna isolation for portable electronic devices
CN103545611A (en) * 2012-07-12 2014-01-29 深圳富泰宏精密工业有限公司 Wireless communication device
US20140327584A1 (en) * 2013-05-03 2014-11-06 Acer Incorporated Mobile device with coupled-fed antenna structure
CN205319317U (en) * 2015-10-23 2016-06-15 富港电子(昆山)有限公司 Antenna device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110034389A (en) * 2019-04-19 2019-07-19 歌尔科技有限公司 A kind of electronic equipment and its antenna
CN110034389B (en) * 2019-04-19 2021-07-13 歌尔科技有限公司 Electronic equipment and antenna thereof

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Application publication date: 20170503